Frequency-domain measurement of cavity ring-down spectroscopy

Gao Xiaomlng, Hiroyuki Sasada, Kenji Anzai, Naohiro Yoshida

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We have recorded the transmission spectrum of an optical cavity absorption cell filled with methane gas using a tunable continuous-wave light source in the mid-infrared region, To determine the absorption strength of the gas, we have measured the linewidth of the cavity fringe. This method corresponds to frequency-domain measurements of cavity ring-down spectroscopy (CRDS) because the linewidth is the Fourier transform of the photon lifetime from which the absorption strength is derived in CRDS. The absorption strengths determined from the present linewidth measurements indicate excellent agreements with both those derived from the transmittance measurements and those calculated from line parameters listed in the HITRAN 2004 database.

Original languageEnglish
Pages (from-to)1452-1456
Number of pages5
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume44
Issue number3
DOIs
Publication statusPublished - 2005 Mar

Fingerprint

Linewidth
Spectroscopy
cavities
rings
spectroscopy
Gases
Light sources
Fourier transforms
Methane
Photons
gases
Infrared radiation
continuous radiation
transmittance
light sources
methane
life (durability)
photons
cells

Keywords

  • Absorption spectroscopy
  • Cavity ring-down spectroscopy
  • Cavity-enhanced spectroscopy
  • Fourier transform
  • Laser spectroscopy
  • Linewidth
  • Trace gas detection

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Frequency-domain measurement of cavity ring-down spectroscopy. / Xiaomlng, Gao; Sasada, Hiroyuki; Anzai, Kenji; Yoshida, Naohiro.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 44, No. 3, 03.2005, p. 1452-1456.

Research output: Contribution to journalArticle

Xiaomlng, Gao ; Sasada, Hiroyuki ; Anzai, Kenji ; Yoshida, Naohiro. / Frequency-domain measurement of cavity ring-down spectroscopy. In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 2005 ; Vol. 44, No. 3. pp. 1452-1456.
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